Pre-Algebra Examples

$\frac{7}{10} \div \frac{1}{2}$

Step 1

To divide by a fraction, multiply by its reciprocal.

$\frac{7}{10} \cdot 2$

Step 2

Cancel the common factor of $2$ .

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Step 2.1

Factor $2$ out of $10$ .

$\frac{7}{2 (5)} \cdot 2$

Step 2.2

Cancel the common factor.

$\frac{7}{2 \cdot 5} \cdot 2$

Step 2.3

Rewrite the expression.

$\frac{7}{5}$

Step 3

The result can be shown in multiple forms.

Exact Form:

$\frac{7}{5}$

Decimal Form:

$1.4$

Mixed Number Form:

$1 \frac{2}{5}$